{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "trigger": true, "arguments": ["victim", "tool", "damage amount", "attacker", "price", "payment method", "time", "attack pattern"]}, {"event_type": "phishing", "trigger": true, "arguments": ["attack pattern", "attacker", "tool", "purpose", "damage amount", "time"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["releaser", "patch", "time", "vulnerable system", "common vulnerabilities and exposures", "patch number", "vulnerability", "supported platform"]}, {"event_type": "data breach", "trigger": true, "arguments": ["time", "number of data", "tool", "attacker", "place", "victim", "attack pattern", "purpose", "damage amount"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["vulnerable system version", "supported platform", "capabilities", "common vulnerabilities and exposures", "vulnerable system owner", "discoverer", "vulnerable system", "vulnerability", "time"]}], "input": "Johnson said the attack was made possible after a city information technology team troubleshooting a separate communications issue with the server inadvertently changed a firewall and left a port , or a channel to the Internet , open for about 24 hours , and hackers who were likely running automated scans of networks looking for such vulnerabilities found it and gained access ."}
{"ransom": [], "phishing": [], "patch vulnerability": [], "data breach": [], "discover vulnerability": [{"trigger": "found", "arguments": {"vulnerable system version": "NAN", "supported platform": "NAN", "capabilities": "gained access", "common vulnerabilities and exposures": "NAN", "vulnerable system owner": "NAN", "discoverer": "hackers", "vulnerable system": "NAN", "vulnerability": "vulnerabilities", "time": "NAN"}}]}